package test1230am;

public class Test09 {
    public static void main(String[] args) {

        // (9)求数组元素平均值
        int[] arr = {1,2,3,4,5};
        int a = arr[0];
        for (int i = 1; i < arr.length; i++) {
            a += arr[i];
        }
        int b = a/arr.length;
        System.out.println(b);
    }
}
